Seiko Cal. 5631 - 448

This Automatic model from 1974 features a 36mm Titanium case. It features a Cream dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-d35b9f010e55]

Also known as: Turtle, Flighty

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

36mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Cream

Jewels

26j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1974

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